Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025
RG

Rakuten Group — 762 Patents

Rank (All Time): #1,146 of 106,127Top 2%
553 inventors
762 Patents All Time

Top Inventors at Rakuten Group All Time

Showing 1–50 of 553 inventors

RankNamePatents
1 Soh Masuko 63
2 Toshiaki TAZUME 48
3 Yeongnam CHAE 33
#4 Mitsuru NAKAZAWA 25
#5 Shinya Takami 23
#6 Hiromi Hirano 21
#7 Hisanori Yamahara 19
#8 Hideki Akashika 17
#9 Bjorn Stenger 15
#10 Shigaku Iwabuchi 13
#11 Jun Takizawa 12
#11 Rikio Onai 12
#11 Takayoshi INUMA 12
#14 Makoto Okabe 11
#15 Hiroaki Iwase 10
#15 Kenichi Lee 10
#17 Daiki Tanaka 9
#17 Jiu Xu 9
#17 Junji Torii 9
#17 Koji Murakami 9
#17 Naoki Chiba 9
#17 Takumi Yamato 9
#17 Yu Hirate 9
#24 Masahiro Sanjo 8
#24 Sadaaki Emura 8
#24 Seiichi Takeda 8
#24 Yasuyuki Hayashi 8
#24 Youngjoo Chung 8
#29 Kazunori Ozawa 7
#29 Keiji Shinzato 7
#29 Tony Tung 7
#29 Udana Bandara 7
#29 Ali Cevahir 7
#34 Jun Katakawa 6
#34 Kenji Sugiura 6
#34 Ko KIKUCHI 6
#34 Kyosuke TOMODA 6
#34 Qingnan Zhou 6
#39 Hiroshi Ukai 5
#39 Jiro Tanaka 5
#39 Masato Hagiwara 5
#39 Madeleine Noland 5
#39 Seejo K. Pylappan 5
#39 Takashi TOMOOKA 5
#39 Yang Shi 5
#39 Yukiko Ochiai 5
#39 Yuki Uchida 5
#39 Adiyan Mujibiya 5
#49 Atsuyoshi Matsuda 4
#49 Fumie Suzuki 4